feat: add deleteLLMConfigMutationAtom and fix cache key usage in all LLM config mutations

surfsense_web/atoms/llm-config/llm-config-mutation.atoms.ts

@@ -1,7 +1,12 @@
 import { atomWithMutation } from "jotai-tanstack-query";
 import { toast } from "sonner";
 import { activeSearchSpaceIdAtom } from "@/atoms/seach-spaces/seach-space-queries.atom";
-import type { CreateLLMConfigRequest, UpdateLLMConfigRequest } from "@/contracts/types/llm-config.types";
+import type {
+	CreateLLMConfigRequest,
+	UpdateLLMConfigRequest,
+	DeleteLLMConfigRequest,
+	GetLLMConfigsResponse,
+} from "@/contracts/types/llm-config.types";
 import { llmConfigApiService } from "@/lib/apis/llm-config-api.service";
 import { cacheKeys } from "@/lib/query-client/cache-keys";
 import { queryClient } from "@/lib/query-client/client";
@@ -52,3 +57,37 @@ export const updateLLMConfigMutationAtom = atomWithMutation((get) => {
 		},
 	};
 });
+
+export const deleteLLMConfigMutationAtom = atomWithMutation((get) => {
+	const searchSpaceId = get(activeSearchSpaceIdAtom);
+	const authToken = localStorage.getItem("surfsense_bearer_token");
+
+	return {
+		mutationKey: cacheKeys.llmConfigs.all(searchSpaceId!),
+		enabled: !!searchSpaceId && !!authToken,
+		mutationFn: async (request: DeleteLLMConfigRequest) => {
+			return llmConfigApiService.deleteLLMConfig(request);
+		},
+
+		onSuccess: (_, request: DeleteLLMConfigRequest) => {
+			toast.success("LLM configuration deleted successfully");
+			queryClient.setQueryData(
+				cacheKeys.llmConfigs.all(searchSpaceId!),
+				(oldData: GetLLMConfigsResponse | undefined) => {
+					if (!oldData) return oldData;
+					return {
+						...oldData,
+						items: oldData.items.filter((config) => config.id !== request.id),
+						total: oldData.total - 1,
+					};
+				}
+			);
+			queryClient.invalidateQueries({
+				queryKey: cacheKeys.llmConfigs.byId(String(request.id)),
+			});
+			queryClient.invalidateQueries({
+				queryKey: cacheKeys.llmConfigs.global(),
+			});
+		},
+	};
+});